what type of wood use i use for deck joists

Select boards with the preservative concentration suitable for their use. Typically used for posts, beams, joists and, again, decking. Look for lumber labeled “heartwood common,” which has more heartwood than “construction common.” For deck boards, look for wood that's labeled KDAT (kiln dried after treatment).

Wood can be impregnated with a variety of preservative chemicals to prevent rot and insect Species like southern pine and douglas fir are often used for deck framing. Common grades, from worst to best, are utility and structural select. The intended use is identified on the tag stapled to each piece of lumber.

You'll find most types of wood decking at your local lumberyard, although The understructure frame—posts, beams, joists—of virtually every deck is for use as decking: Architect Clear, Custom Clear, Architect Knotty, and 

How rot-resistant the untreated wood is depends on the amount of extractives For fully exposed decks, particularly those with south-facing exposure, use the Other less common cedar species suitable for decking include Port Orford cedar, 

Plastic Lumber View all DECKS & PORCHES Articles The wood is warrantied for use as decking, deck framing, and other exposed applications not in contact 

If you decide to use pine lumber for the deck top, plan on using treated lumber for the posts and framing; they are more prone to rot than the surface, which gets 

My contractor started building our deck and is not using I would guess one should at least use pt wood for the board nails/screws/bolts, or some of the new coated screws guaranteed for use with any kind of PT wood.

Use lumber rated for ground contact for posts and framing members within 6 inches of No matter what kind of PT wood you purchase, wear protective clothing, 

Build the backyard deck of your dreams with our wide assortment of decking materials available online or in store at your local The . Wood Decking Boards. Most common option. Framing, Foundation and Structural Materials We can also show you how to use the area under the deck as a covered patio 

These Above Ground Use treated materials should not be used as stair stringers, joists, or decking where they will touch the ground.

This document is not intended to preclude the use of other construction methods or materials. joist span, L/4. See Figure 1 and Figure 2 for joist span types.

If repairing a damaged joist, support the deck on one side of the deck or it could crash, and match the wood replacement with similar type pressure-treated lumber. Use wood stain that is the same color as the rest of the deck and apply stain 

wood. Typical uses include structures in direct contact with the ground or water with lumber substitutes used in common applications where treated lumber would but untreated Doug- las-fir joists are cur- rently used in many decks. Special 

But these answers beg another question: Why would you use treated lumber indoors? ESPECIALLY if it is an older type of pressure treated wood with with some treated wood that we have left after building our deck.

the decks I put so much into, I use a num- ber of techniques cle to eliminating fungus food from a wood deck. A partial This is particularly true of the hem-fir material we use in the West deck design and even some common building practices tial collection zones, where rot-encouraging debris gathers at the rim joist.

Green decks use less concrete, so downsize the corners Different soil types have different bearing capacities (measured in psf); consult Table 401.4.1 of Many decks and porches are built over wood framing — typically pressure-treated 2x